Patents
Sitemap › C07 - Organic chemistry › C07B - General methods of organic chemistry; Apparatus therefor › C07B 61 - Other general methods
Patents for C07B 61 - Other general methods (69,072)
03/1991
03/27/1991EP0418657A2 Process for producing methacrylic acid and methacrolein by catalytic oxidation of isobutane
03/27/1991EP0418646A2 Process for the preparation of acyl amides by subjecting nitriles to catalytic hydration
03/27/1991EP0418568A2 Novel fluorinated cyclic organic silicon compounds and a method for making them
03/27/1991EP0418524A2 Process for preparing amikacin
03/27/1991EP0418512A1 Process for production of alpha-hydroxycarboxylic acid amide
03/27/1991EP0418370A1 Process for the production of alkyl aromatic hydrocarbons.
03/27/1991EP0418318A1 Process for upgrading propene-ethene mixtures in a turbulent fluidized catalyst bed reactor.
03/27/1991EP0418280A1 Method of preparing aryl esters of acetic acid.
03/27/1991CN1050181A Process for preparing acrolein through gaseous catalytic oxidation propylene
03/26/1991WO1991004097A1 Regeneration or activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons
03/26/1991US5003122 Process for selective diisopropylation of naphthyl compounds using shape selective acidic crystalline molecular sieve catalysts
03/26/1991US5003120 Process for selective manufacture of 2,6-diisopropylnaphthalenes with equilibration reactor
03/26/1991US5003115 Epoxidation of acetoxystyrene with a percarboxylic acid to produce acetoxyphenyl oxirane, hydrogenation followed by saponification
03/26/1991US5003114 Catalysis with calcined germanozeosilite mfi zeolite; reacting with hydrogen peroxide
03/26/1991US5003110 Process for the preparation of saturated aldehydes by hydrogenation of α,β-unsaturated aldehydes
03/26/1991US5003109 Reaction mixtures from phenol synthesis, copper compound
03/26/1991US5003108 Using a tetraalkylammonium or phosponium catalyst for the reaction of phosphine and an alkyl halide in the presence of an alkali hydroxide
03/26/1991US5003107 Catalytic method for the reductive amination of poly(oxytetramethyle) glycols
03/26/1991US5003102 Preparation of 5-formylvaleric esters
03/26/1991US5003099 Nitrosation of cyanoacetic acid ester; catalytic hydrogenation, ammoniation
03/26/1991US5003093 Process for making alkyl arsine compounds
03/26/1991US5003091 Preparation of 3-memory-4,5-methylenedioxybenzaldehyde
03/26/1991US5003089 Preparation of cyclic 6-membered to 8-membered vinylene-1,2-dioxy compounds
03/26/1991US5003084 From Alkylene Glycols and Urea
03/26/1991US5003083 Process for preparing optically active cyano compound
03/26/1991US5003057 Sulfonate acid catalysts for etherification of saccharides
03/26/1991US5002922 Oxides of Zirconium Copper, Cobalt and/or Nickel
03/26/1991US5002914 Process for purifying and recovering the contaminated catalyst solution arising in the carbonylation of methanol and/or methyl acetate and/or dimethyl ether
03/26/1991US5002585 Trialkoxy-substituted meta-phenylenediamines, a process for their preparation, and their use as couplers for the oxidation dyeing of keratinous fibres and in particular of human hair
03/26/1991CA2067113A1 Regeneration or activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons
03/26/1991CA2026047A1 Process for preparing aromatic hydrocarbons
03/26/1991CA1282081C Preparation of substituted aromatic amines
03/26/1991CA1282075C Process for preparing hexenedioate esters
03/26/1991CA1282074C Process for the preparation of mercaptomethylphenols
03/26/1991CA1282070C Biologically active amide derivatives
03/26/1991CA1282066C Process for azetidinones
03/21/1991WO1991003460A1 New route of synthesis for tertiary alkyl esters
03/21/1991CA2025631A1 Process for the preparation of benzotriazoles
03/20/1991EP0418142A1 Process for synthesis of lower olefins from methanol
03/20/1991EP0417867A1 Catalysts for the catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
03/20/1991EP0417825A2 Cymenol preparation by direct dehydrogenation
03/20/1991EP0417723A2 Process for the preparation of acrolein by the catalytic gasphase oxydation of propylene
03/20/1991EP0417722A1 Catalyst for catalytically oxidising olefins in the gas phase in unsaturated aldehydes
03/20/1991EP0417680A1 Method for the production of 1,1,1,2-tetrafluoroethane
03/20/1991EP0417597A2 Method for the production of 2-formylbutyric acid methyl ester
03/20/1991EP0417407A1 Shaped bodies of macroporous ion exchanger resins and their use
03/20/1991EP0417325A1 Process for producing norcamphanedicarbonitriles
03/20/1991EP0417308A1 Method of producing insulating oil comprising dibenzylbenzene
03/20/1991EP0417273A1 Aromatic alkylation with alpha-olefin dimer.
03/20/1991EP0417240A1 Process for reducing propenyl ether concentration in hydroxy-functional polyether compounds.
03/20/1991EP0417187A1 Ruthenium-catalyzed production of cyclic sulfates
03/20/1991EP0324847A4 Preparation of bis (amine-containing) benzenediols
03/20/1991EP0299026B1 Process for the co-production of aromatic carboxylates and alkyl iodides
03/20/1991CN1050038A Process of vapour hydrogenation
03/20/1991CN1050019A Method for production of 1,3-dioxolanes
03/20/1991CN1049982A Improved boron phosphate catalyst for production of dienes from aldehydes
03/20/1991CN1012063B Hydroformylation of olefins
03/20/1991CA2025614A1 High ethylene to ethane process for oxidative coupling
03/20/1991CA2025613A1 Strontium and/or barium-containing catalysts for oxidative coupling process
03/20/1991CA2025603A1 Silver-containing catalysts for oxidative coupling
03/20/1991CA2025595A1 Low temperature catalysts for oxidative coupling processes
03/20/1991CA2025581A1 Vapor phase modifiers for oxidative coupling
03/20/1991CA2025580A1 Perovskite catalysts for oxidative coupling
03/19/1991US5001296 Catalytic hydrodealkylation of aromatics
03/19/1991US5001289 Shaped zeolite catalyst for liquid phase organic reactions
03/19/1991US5001280 Preparation of phenol by direct hydroxylation of benzene
03/19/1991US5001274 Hydroformylation process
03/19/1991US5001273 Method for preparing asymmetric aliphatic ketones
03/19/1991US5001269 Process for the production of lower dialkyl disulphides
03/19/1991US5001267 Secondary alkyl amine derivatives of ethylenediamine
03/19/1991US5001265 Aqueous reduction process for halo-nitro-phenols
03/19/1991US5001260 Tetracarboxylic acids
03/19/1991US5001257 Preparation of 4-pentenoic acid, amide or esters by isomerization
03/19/1991US5001249 Catalytic process for preparing dialkyl phosphorodithioic acids
03/19/1991US5001246 Process for preparation of aminopropylalkoxysilane
03/19/1991US5001242 Process for the preparation of 4-methylenetetrahydropyran
03/19/1991CA1281746C Direct catalytic alkylation of mononuclear aromatics with lower alkanes
03/19/1991CA1281742C High purity process for the preparation of 4,6- diamino-1,3-benzenediol
03/19/1991CA1281739C Method to convert primary alkanols to their corresponding esters
03/19/1991CA1281732C Iridium complexes and the use thereof
03/19/1991CA1281726C Process for the production of macrocyclic esters by the depolymerization of polyesters
03/19/1991CA1281704C Transition metal complex catalyzed processes
03/16/1991CA2024915A1 Process for the preparation of methyl 2-formylbutyrate
03/15/1991WO1991014670A1 Process for producing branched fatty acids and their esters
03/13/1991EP0416979A1 Process for fixed bed sweetening of petroleum fractions
03/13/1991EP0416822A2 Stain-resistant plasticizer compositions and method of making same
03/13/1991EP0416744A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
03/13/1991EP0416683A1 P-cymenol preparation by transfer dehydrogenation
03/13/1991EP0416674A1 Process of making polyalkylene polyamines
03/13/1991EP0416615A1 Process for preparing chlorotrifluoroethylene
03/13/1991EP0416583A1 Method for the preparation of crotonobetaine hydrochloride
03/13/1991EP0416471A2 Platinum catalyst composition, method for its preparation and curable organopolysiloxane compositions containing same
03/13/1991EP0416406A2 Process for the preparation of alkylhalosilanes
03/13/1991EP0416261A1 Method of making ketals
03/13/1991EP0416118A1 PRODUCTION OF p-PHENYLENEDIAMINES
03/13/1991EP0416095A1 Novel integrated separation method for di-isopropyl ether and methyl tertiary alkyl ether processes
03/13/1991EP0416085A1 Process for the preparation of phenylpyruvic acid from benzyl chloride
03/13/1991EP0416069A1 New leucotriene b 4 derivatives, a method of preparing them, and their use as drugs.
03/13/1991EP0416016A1 Gas-phase fluorination process.
03/13/1991EP0415982A1 Method of preparing aromatic ethers from iodoaromatic compounds.
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